Md. Code, State Government § 2–1510

(a) The Governor may designate another individual to receive bills while the Governor is ill or necessarily absent from the seat of the State government.

(b) A designation under this section:

(1) shall be in writing;

(2) shall be sent to the presiding officer of the Senate and the presiding officer of the House;

(3) on receipt by those officers, shall be entered in full in the Senate journal and the House journal; and

(4) is effective during the period that the Governor specifies.